/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 */
package geb.gradle

import org.gradle.api.Task
import org.gradle.api.tasks.TaskDependency
import org.gradle.api.tasks.TaskProvider

import javax.annotation.Nullable
import java.util.function.Supplier

class ConditionalTaskDependency implements TaskDependency {

    private final Supplier<Boolean> condition
    private final TaskProvider<? extends Task> taskProvider

    ConditionalTaskDependency(Supplier<Boolean> condition, TaskProvider<? extends Task> taskProvider) {
        this.condition = condition
        this.taskProvider = taskProvider
    }

    @Override
    Set<? extends Task> getDependencies(@Nullable Task task) {
        condition.get() ? [taskProvider.get()] : []
    }
}
